RoadVitals

2003 Chevrolet Trailblazer Transmission Problems

Owner-reported complaints naming the transmission system, filed with NHTSA

Data refreshed

Transmission reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
49
Latest Aug 29, 2012
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
5%
of 901 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
1
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules. Every record below is an owner-reported complaint about the 2003 Chevrolet Trailblazer submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 49 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming transmission

The 25 most recent of 49, in the owner's own words

Driver assistanceTransmission
Filed Aug 29, 2012

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAIL BLAZER. THE CONTACT WAS DRIVING 45 MPH WHEN HE NOTICED THAT THE VEHICLE WOULD NOT ACCELERATE. THE VEHICLE WAS TAKEN TO A DEALER FOR DIAGNOSIS WHO STATED THAT THEY NEEDED TO REPLACE THE FAN CLUTCH. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS CONTACTED. THE FAILURE AND THE CURRENT MILEAGE WAS 84,000. UPDATED 9/25/12 *CN

NHTSA ID
10472963
Incident
Aug 8, 2012
Mileage
84,000 mi
Fuel systemTransmission
Filed Dec 15, 2011

2003 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO FUEL TANK AND RUST HOLES *TGW THE CONSUMER WAS INFORMED THE FUEL TANK WAS LEAKING, DUE TO RUST HOLES AND PITTING. THERE WAS ALSO A DEFECT WITH THE FILLER TUBE. THE CONSUMER WAS INFORMED THE FUEL PUMP WOULD NEED TO BE REPLACED DUE TO THE OTHER PROBLEMS WITH THE FUEL SYSTEM. ALSO, THE TRANSMISSION COOLING LINES WERE REPLACED, DUE TO A LEAK . *JB

NHTSA ID
10440712
Incident
Dec 1, 2011
Transmission
Filed Apr 8, 2011

MY 2003 TRAILBLAZER HAS GONE TO THE SHOP NOW SEVERAL TIMES. THE SERVICE ENGINE LIGHT COMES ON AND HAS A PROBLEMS SHIFTING INTO GEAR. I HAVE TAKEN MY VEHICLE BACK TO THE DEALERSHIP AND IT DRIVES FINE FOR A LITTLE WHILE NOW I HAVE THE PROBLEM AGAIN. *TR

NHTSA ID
10395312
Incident
May 21, 2009
Transmission
Filed Feb 15, 2011

TL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE TRAVELING 35 MPH THE VEHICLE CAME TO A STOP. THE ENGINE REMAINED ON, BUT THE VEHICLE WOULD NOT MOVE. THE CONTACT TRIED MOVING THE VEHICLE IN REVERSE AS WELL WITH AND IT FAILED TO ACCELERATE IN EITHER DIRECTION. THE VEHICLE WAS TOWED TO A TRANSMISSION REPAIR FACILITY AND THE MECHANIC STATED THAT THE PROBLEM CAME FROM A BEARING IN THE TRANSFER CASE THAT WAS TOO SMALL AND IT HAD BEGAN TO WEAR DOWN. THE FAILURE CAUSED THE TRANSFER CASE TO BECOME STUCK IN THE NEUTRAL POSITION. THE MECHANIC STATED THAT THIS WAS A COMMON PROBLEM WITH THE VEHICLE. THE VEHICLE HAD NOT BEEN REPAIRED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE AND CURRENT MILEAGE WAS 38,000.

NHTSA ID
10382815
Incident
Jan 9, 2011
Mileage
38,000 mi
Driver assistanceEngineFuel system+3 more
Filed Feb 14, 2011

I AM FILING A COMPLAINT .AND WILL CONTINUE TO FILE COMPLAINTS UNTIL ALL OF THE CONSUMERS ISSUES HAVE BEEN ADDRESSED. I UNDERSTAND THAT GM IS NOT WILLING TO HOLD THEIRSELFS LIABLE FOR THESE ISSUES ,BUT PEOPLE SPEND PRETTY PENNIES OUT OF POCKET TO PURCHASE VEHICLES FROM THESE MANUFACTURERS TO SPEND MORE MONEY TO PAY FOR REPAIRS AFTER JUST A SHORT WHILE OF OWNING THESE . I HAVE RESEARCHED ISSUES I AM HAVING WITH MY VEHICLE , AND I AM HAVING ALL THE ABOVE LISTED ISSUES , AND DO NOT WISH TO SPEND LARGE AMOUNTS OF MONEY TO PAY FOR THESE COST CONSIDERING I AM STILL PAYING FOR THIS VEHICLE . I JUST SPOKE WITH A REPRESENTIVE ABOUT THESE COMPLAINTS ,AND HAVE SET UP AN APPOINMENT TO PAY A DEALERSHIP FOR DIAGNOSTICS , BUT AM HOPING THAT I CAN GET CLOSURE ON THESE ISSUES WITHOUT PAYING BIG EXPENSES. I HOPE EVERYONE ELSE WILL FOLLOW SUIT AND KEEP INPUTTING YOUR COMPLAINTS UNTIL THEY ARE RESOLVED. MY VEHICLE ISSUES ARE THE FAN CLUTCH NEEDS REPLACED, MY GAS TANK HAS BEEN REPLACED ALREADY,JUST REPLACED MY SERPINTINE BELT THIS MORNING, MY EXTERIOR LIGHTS (BRAKE/TURN SIGNAL) HAVE BEEN REPLACED 3 TIMES OVER TWO MONTHS, AND ENGINE LIGHT KEEPS COMING ON , SOMETHING DOESNT SEEM RIGHT UNDERNEATH THIS VEHICLE EITHER. I JUST FEEL LIKE I AM PAYING FOR A PEICE OF JUNK ON TOP OF PAYING TO KEEP THE VEHICLE RUNNING. OH YEA THIS VEHICLE HAS HAD TO HAVE THOUSANDS OF DOLLARS OF BODY WORK DONE AS WELL THANKS TO MOTHER NATURE. I JUST HOPE THEY WILL BE RESPONSIBLE ENOUGH TO TAKE ON THIS RESPONSIBILTY OF THEIRS ,NOT OURS. *TR

NHTSA ID
10382537
Incident
Sep 4, 2010
Mileage
80,000 mi
Transmission
Filed Feb 2, 2011

NO PROBLEMS WITH MY 2003 CHEVY TRAILBLAZER PREVIOUSLY. WENT OUT TO START IT AND IT WOULDN'T GO IN REVERSE. NEEDED NEW TRANSMISSION AT A COST OF $4,000 DOLLARS. MY UNDERSTANDING IS THAT THIS IS A COMMON PROBLEM WITH TRAILBLAZERS BUT IT HAS NOT BEEN ADDRESSED. *TR

NHTSA ID
10379978
Incident
Jan 21, 2011
Mileage
98,000 mi
Transmission
Filed Oct 30, 2009

TRANSMISSION WENT OUT ON 2003 CHEVY TRAILBLAZER LT. NO WARNING LIGHTS CAME ON TO INDICATE THAT THERE WAS A PROBLEM WITH THE VEHICLE. HAVE TO REPLACE TRANSMISSION. *TR

NHTSA ID
10290326
Incident
Oct 28, 2009
Mileage
96,000 mi
Transmission
Filed Oct 4, 2009

PURCHASED A NEW 2003 CHEVY TRAILBLAZER AND 3 DAYS LATER DELIVERY THE CHECK 4WD LIGHT CAME ON FOR SERVICE.WE WERE IN MAINE AT THE TIME AND HAD IT LOOKED AT BY A CHEVY DEALER THERE & THEY ASSUMED IT WAS AN ELECTRICAL MALFUNCTIONWITH A CODE SO ALL THEY DID WAS RESET THE COMPUTER (OR S WE WERE TOLD) A FEW DAYS LATER THE TRANSMISSION DOWNSHIFTED HARD. THE DEALER RECOMMENDED THAT WE DRIVE IT AWHILE. IT DID THE SAME NOISE ON & OFF FOR A FEW MONTHS & THEY STILL COULDN'T FIND ANYTHING WRONG. MUCH LATER ON AFTER MY FRUSTRATION WITH THE DEALERSHIP. I STARTED TO GET A LOUD CLUNKING SOUND IN THE FRONT END NOTICEABLY ON THE RIGHT SIDE OF THE VEHICLE. DEALER SAID IT WAS THE PLASTIC COWLING IN THE FRONT THAT WAS RATTLING. AFTER TAKING IT TO AN INDEPENDENT REPAIR SHOP THEY DISCOVERED THAT THE TRANSMISSION END BEARING OUT OF THE FRONT AXEL IS N/G & IT NEEDS TO BE REBUILT. THIS IS NOT ACCEPTABLE,ESPECIALLY AFTER ALL THE COMPLAINTS OF THIS TRANSMISSION ON THE GM TRUCKS. WHY HAS THERE NOT BEEN A RECALL ON THIS IS BEYOND ME. *TR

NHTSA ID
10286251
Incident
Nov 14, 2003
Mileage
48,000 mi
Transmission
Filed Apr 24, 2009

HEARD A POPPING SOUND NEAR THE CENTER FRONT OF THE SUV. THEREAFTER NOTICED SOME GRINDING GOING ON WHEN THE SUV WAS ACCELERATING. TOOK IT A DEALER TO HAVE LOOK AT THE BRAKES. TURNED OUT TO BE THE FRONT AXLE ASSEMBLY BROKE AND GOT METAL FILINGS IN THE DIFFERENTIAL CAUSING THE TRANSMISSION TO SLIP. REPAIR COST THIRTY-THREE HUNDRED DOLLARS. REPLACED THE DIFFERENTIAL AND FRONT AXLE ASSEMBLY. *TR

NHTSA ID
10266649
Incident
Mar 5, 2009
Mileage
69,700 mi
Transmission
Filed Apr 6, 2009

ON 04-06-2009 AT 10:30 AM I WAS DRIVING SOUTH ON MD RT. 4 . THE TRANSMISSION THEN SLIPPED OUT OF GEAR WHILE DECELERATING. FOLLOWED BY A LOUD GRINDING NOISE, MY RPM'S RACED AND THEN SLAMMED INTO GEAR ALMOST CAUSING A SERIOUS ACCIDENT. *TR

NHTSA ID
10264272
Incident
Apr 6, 2009
Mileage
74,622 mi
Transmission
Filed Dec 4, 2008

I BOUGHT A USED 2003 CHEVY TRAILBLAZER 2 MONTHS AGO, NOW I' HAVING OVER $1500 WORTH OF TRANSMISSION WORK DONE TO IT! AFTER COMING DOWNHILL ON A BUSY HIGHWAY, AS I STARTED UP, A NOISE CAME FROM UNDER MY FEET. I LOST POWER AND EVERY TIME I GAVE IT GAS, THAT NOISE RETURNED. ALMOST RAN OVER BY THE HEAVY TRAFFIC SPEEDING DOWN THE HILL, WAS FINALLY ABLE TO PULL ONTO THE DANGEROUS SHOULDER. SHOP SAID SHELL BROKE APART AND WENT INTO TRANS. SHOP SAID HE HAS MADE A GOOD LIVING ON THESE TRANSMISSIONS!!!...AND REPLACES THEM WITH A MUCH BETTER, THICKER, STRONGER "SPLINE" IN THEM. WHO HAS TO GET KILLED BEFORE THEY SWITCH OVER TO THESE BETTER AFTERMARKET PIECES? *TR

NHTSA ID
10250797
Incident
Dec 1, 2008
Mileage
99,000 mi
Transmission
Filed Oct 17, 2008

2003 TRAILBLAZER THAT'S BEEN MAKING A TAPPING NOISE FOR MONTHS WHEN I TURN IT OFF BUT TOLD THERE WAS NO PROBLEM. TOLD SOMETIME EXHAUST SYSTEM MAKES THIS INNOCENT NOISE. NOW STARTED THE TRAILBLAZER AND IT SOUNDS LIKE A JET TAKING OFF THEN ENGINE LIGHT CAME ON. TOLD BY DEALER THAT CLUTCH FAN BROKEN AND NEED TO REPROGRAM THE COMPUTER AT A COST OF $900. AFTER RESEARCHING THIS ISSUE, FOUND HUNDREDS OF OWNERS WITH THE IDENTICAL PROBLEM. REQUESTING A RECALL!!! *TR

NHTSA ID
10245770
Incident
Oct 16, 2008
Mileage
80,000 mi
Transmission
Filed Jul 22, 2008

FAN CLUTCH NOT WORKING. I OWN A 2003 CHEVY TRAILBLAZER LS. I HAVE LOOKED INTO THIS PROBLEM THROUGH THE INTERNET AND THERE ARE SO MANY COMPLAINTS ABOUT THIS PROBLEM. THIS SHOULD BE A RECALL BECAUSE I CAN UNDERSTAND SEVERAL BUT NOT IN THE HUNDREDS. THERE IS A BAD TAPPING NOISE AND IT'S FROM THE FAN CLUTCH GOING BAD. IT'S VERY EXPENSIVE TO REPAIR THIS PROBLEM. *TR

NHTSA ID
10235257
Incident
Jul 22, 2008
Transmission
Filed Apr 14, 2008

I'D DRIVEN 60 MILES TO DESTINATION. 1/2 HOUR LATER WENT OUT TO TRAILBLAZER. THERE WAS A LARGE PUDDLE OF TRANSMISSION FLUID UNDER THE VEHICLE AND A TRAIL OF DRIPS LEADING UP TO IT. MECHANIC DETERMINED THE LINE RUBBED ON CATALYTIC CONVERTER AND WORE A HOLE IN IT. THE FLUID SPRAYED ALL OVER UNDER THE VEHICLE. HE SAID IT WAS AMAZING THERE WASN'T A FIRE BECAUSE OF HOW FLAMMABLE IT IS AND HOW HOT THE CONVERTER GETS. IT WAS DOWN 4 QUARTS OF FLUID. HE SPLICED OUT THE WORN LINE AND USED A COUPLER TO FIX IT AND MOVE IT AWAY FROM THE CONVERTER. *TR

NHTSA ID
10224456
Incident
Nov 12, 2007
Mileage
60,000 mi
Transmission
Filed Mar 17, 2008

TRANSMISSION LINE LEAKING. COOLING LINE RUBBING ON CATALYTIC CONVERTER. TRANSMISSION FLUID LEAKING ON CONVERTER. SMOKE COULD BE SEEN. POSSIBLE FIRE ISSUE. TRANSMISSION FAILURE POSSIBLE IF FLUID LEVEL TOO LOW. LINE WAS IN CONTACT WITH CONVERTER. REMEDY WAS TO HAVE ALL LINES REPLACED SO THEY WERE ROUTED AWAY FROM CONVERTER. *TR

NHTSA ID
10221506
Incident
Mar 16, 2008
Mileage
400,000 mi
ElectricalEnginePowertrain (other)+1 more
Filed Nov 28, 2007

2003 CHEVROLET TRAILBLAZER. *TR

NHTSA ID
10210231
Incident
Nov 28, 2007
Mileage
64 mi
Transmission
Filed Oct 16, 2007

TRANSMISSION FAILURE AT 68,000 MILES ON TWO WHEEL DRIVE VEHICLE. STRANDED WIFE AND KIDS ON INTERSTATE IN MICHIGAN. THANK YOU TO THE MICHIGAN STATE POLICE FOR HELPING! VERY DISSATISFIED WITH THE WHOLE GM BRAND. SECOND SUV OWNED AND SIMILAR PROBLEMS WITH BOTH. THIS WILL BE THE LAST.... *JB

NHTSA ID
10205827
Incident
Jul 2, 2007
Mileage
70,000 mi
Transmission
Filed Oct 2, 2007

TRANSMISSION WILL NOT SHIFT INTO 3RD GEAR AND HAS HIGH RPMS (3500-4000). *JB

NHTSA ID
10204638
Incident
Oct 1, 2007
Mileage
95,500 mi
EngineTransmission
Filed Aug 28, 2007

FAN CLUTCH NOT PROPERLY WORKING ON WIFE'S 2003 CHEVROLET TRAILBLAZER. *TR

NHTSA ID
10200995
Incident
Jun 15, 2007
Mileage
50,555 mi
Powertrain (other)Transmission
Filed Mar 20, 2007

TRANSMISSION LEAK DISCOVERED. EXCESSIVE WEAR TO U-JOINT. BOTH PROBLEMS REPAIRED IN 8/2006. NOW I HAVE RATTLING NOISE WHEN SHIFTING FROM 2WD TO AWD. RATTLES WHEN PLACED IN AWD.*AK

NHTSA ID
10185704
Incident
Aug 2, 2006
Mileage
62,000 mi
Transmission
Filed Feb 2, 2007

I STARTED TO DO A 3 POINT TURN AND WHEN I WENT TO PUT MY VEHICLE IN REVERSE, THERE WAS A LOUD CLUNK AND I NO LONGER HAD REVERSE AND WOULD MAKE AN AWFUL SOUND WHEN I TRIED. I COULD DRIVE IT FORWARD, BUT IT WOULDN'T SHIFT OUT OF LOW GEAR, DRIVING THE RPMS WAY UP. HAD TO HAVE IT TOWED. TOOK IT TO A GM DEALERSHIP AND THEY GAVE ME THE CHOICE OF A REBUILD OR REPLACING THE TRANSMISSION. I CHOSE TO REPLACE BECAUSE IT WOULD HAVE A LONGER WARRANTY. THE WARRANTY ON THIS WAS 36000 MILES... IT HAD 42800. CURRENTLY CONVERSING WITH GM TO TRY AND GET THEM TO COVER SOME OF THE EXPENSE. *JB

NHTSA ID
10181458
Incident
Jan 27, 2007
Mileage
42,800 mi
Transmission
Filed Jan 9, 2007

SECOND TIME TO DEALER WITH TRANSMISSION PROBLEMS, HAD TO BE REBUILT, ONLY 26,578 MI ON IT, NEVER TOWED ANYTHING. BROUGHT BACK 3RD TIME 1/3/07 NOW OUT OF WARRANTY, TRANSMISSION FRIED NEEDING REPLACEMENT. LOCAL AAMCO VERY FAMILIAR WITH TRAILBLAZER TRANSMISSION PROBLEMS CLAIMS THE SUN GEAR REACTION SHELL IS JUNK AND NOT POWERFUL ENOUGH FOR REVERSE. CHEVY CONTINUES TO USE THIS PART. TRANSMISSION PROBLEMS REPORTED ALL OVER THE INTERNET. *JB

NHTSA ID
10178231
Incident
Dec 9, 2005
Mileage
26,578 mi
ElectricalEngineSteering+1 more
Filed Nov 22, 2006

TRANSMISSION FAILURE. I OWN A 2003 TRAILBLAZER AND HAVE HAD NUMEROUS PROBLEMS WITH IT. THEY HAVE REPLACED 4 FAN CLUTCHES, 3 COMPUTERS, TRANSMISSION JUST HAD ITS 2ND OVERHAUL AND NUMEROUS OTHER LITTLE ITEMS. THIS VEHICLE ONLY HAS 66,400 MILES ON IT AND I BOUGHT IT BRAND NEW. *JB

NHTSA ID
10174085
Incident
Nov 18, 2006
Transmission
Filed Nov 11, 2006

2003 CHEVY TRAILBLAZER TRANSMISSION FAILURE AT 52000 MILES. *NM

NHTSA ID
10173203
Incident
Nov 1, 2006
Mileage
52,000 mi
EngineTransmission
Filed Oct 21, 2006

2003 CHEVY TRAILBLAZER WITH 34100 MILES SERVICE ENGINES LIGHT COMES ON, I TAKE IT TO THE DEALER WHO FIXES IT AND RECOMMEND I HAVE THE TRANSMISSION AND ANOTHER REGULAR MAINTENANCE COMPLETED THAT COST ME OVER 400.00 DOLLARS. TWO WEEKS LATER I HAVE TO TAKE IT BACK BECASUE THE SPEEDOMETER WENT PAST 115 MILES WHILE SITTING STILL, A WEEK LATER THE TRANSMISSION STARTS STALLING WHILE GOING FORWARD AND THE ENGINE FAN IS RUNNING CONSTANTLY EVEN ON START UP. CHECKED THE FLUID I HAD NONE IN THE TRANSMISSION. YET IT WAS SUPPOSE TO HAVE BEEN FILLED WHEN MAINTENANCE WAS DONE. TOOK IT BACK TO THE DEALER IT IS NO LONGER UNDER WARRANTY AND JUST UNDER A HUNDRED MILES LATER MY 2003 CHEVY TRAILBLAZER WHICH IS 3 YEARS OLD. THERE IS A PROBLEM WITH THE TRANSMISSION IN THE CHEVY TRAILBLAZER AND I AM NOT THE ONLY ONE EXPERIENCING THIS. SOMETHING NEEDS TO BE DONE. HELP. *NM

NHTSA ID
10171485
Incident
Sep 19, 2006
Mileage
34,125 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .